Movies
Details about her character are not yet known, but The Hollywood Reporter claims she is in line to play a human in Kenneth Branagh's god-centric film.
Barraza is best known for her Oscar-nominated turn in Babel.
Hype for the big screen version of Marvel's god of thunder, which stars Chris Hemsworth, Natalie Portman and Anthony Hopkins, has been steadily growing in recent months.
Iron Man 2 director Jon Favreau said on Twitter: "Walked through some of the Thor sets that are being built. They're pretty amazing."
Marvel and Paramount this week pushed up the movie's release date to May 6, 2011.
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